HAT-P-24
| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Gemini[1] |
| Right ascension | 07h 15m 18.020s[2] |
| Declination | +14° 15′ 45.39″[2] |
| Apparent magnitude (V) | 11.754[3] |
| Characteristics | |
| Spectral type | F8 |
| Astrometry | |
| Proper motion (μ) | RA: 7.6 ± 1.7[2] mas/yr Dec.: –4.3 ± 1.4[2] mas/yr |
| Distance | 405 +27 −25 or 306 ± 20 pc |
| Details | |
| Mass | 1.195 ± 0.012[4] M☉ |
| Radius | 1.321 ± 0.063[4] R☉ |
| Luminosity | 2.48 +0.032 −0.028 L☉ |
| Surface gravity (log g) | 4.27 ± 0.04[5] cgs |
| Temperature | 6329 ± 67[5] K |
| Metallicity [Fe/H] | –0.21 ± 0.08[5] dex |
| Rotational velocity (v sin i) | 11.4 ± 1.2[5] km/s |
| Age | 2.8 ± 0.6 Gyr |
| Other designations | |
|
GSC 0774-01441
|
|
HAT-P-24 is an F8 dwarf star about 405 parsecs away. However, some sources indicate that the star is about 306 parsecs away. A planet was discovered with the transit method by the HATNet Project in 2010. HAT-P-24b, is a typical hot Jupiter orbiting in only 3 days.[6]
Planetary system
In 2010 the HATNet Project announced the discovery of a hot jupiter type gas giant extrasolar planet in orbit around this star. Following the designation scheme used by the HATNet Project, the star is designated as HAT-P-24, and the planet itself HAT-P-24b.[6]
| Companion (in order from star) |
Mass | Semimajor axis (AU) |
Orbital period (days) |
Eccentricity | Inclination | Radius |
|---|---|---|---|---|---|---|
| b | 0.691 ± 0.027 MJ | 0.04655 +0.00016 −0.00015 |
3.3552479 ± 0.0000062 | 0.064 +0.023 −0.020 |
88.217 +0.716 −0.693° |
1.364 ± 0.068 RJ |
References
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<references />, or <references group="..." />- http://www.astro.keele.ac.uk/jkt/tepcat/planets/HAT-P-24.html
- http://exoplanet.eu/star.php?st=HAT-P-24
- http://www.odyssespace.fr/exoplanetes-liste.php
Coordinates: 
07h 15m 18.00s, +14° 15′ 45.4″
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